understood alot of stuffs of dose i dun understand in class last yr .
mus rmmbr all those stuffs ~ .

covalent .. ionic ..
loses.electron = + , gains electrons = - ,
MOLES . dose fomulae ..
vol of gas = no of moles X molar gas volume
molar gas volume is ALWAYS 24dm3
relative formula mass ..
so on and so on ..
mus kip practisin siaa ~
if nt will forget .

hurr huhs . yuan lai quite easy .
shant.say.too.early . ltr.careless .
tml.mitin.up.my.dear . and.my.seller .
bye.ppl . (=.